, arnold, arnold, did you hear, did you hear about the melting icecaps? and the retreating icecaps? why, dana, yes, i know an the icecaps all right. i'm very surprised that you know about the icecaps melting and retrieving. and i said, i said, arnold, i'm talking about the icecaps on mars. oh. bam. he's gone. >> that was republican congressman dana rohrbacker of california in a speech that serves as a perfect artifact of the biggest obstacle of the u.s. getting climate policy right. at the base of one of our two main parties. 100% committed to denying that climate change is even a thing that requires policy. seriously, that is the number one barrier to get anything done on climate in this country because when it comes down to it, let me tell you something. even the fossil fuel companies, as powerful and destructive as they are, could probably in the end just be paid off, fought off, for the right price. but the fear of a tea party primary challenge is endemic in republican party right now. and it's making meaningful climate policy, among other things, com